Home / 491,170.10-677,759.82-276,305.72

Finding the Fourth Proportional to 491,170.10, 677,759.82 and 276,305.72

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Solution

The fourth proportional to 491,170.10, 677,759.82 and 276,305.72 is: 381,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,170.10 : 677,759.82 = 276,305.72 : x
  2. Step 2: Convert to fraction form
    491,170.10/677,759.82 = 276,305.72/x
  3. Step 3: Cross multiply
    491,170.10x = 677,759.82 × 276,305.72
  4. Step 4: Simplify right side
    491,170.10x = 187,268,915,052.17
  5. Step 5: Solve for x
    x = 187,268,915,052.17/491,170.10
  6. Step 6: Final answer
    x = 381,271.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.